Summary
Updated Aug 31, 2026
James Alan Schreiner is EVP & COO of MKS INC (MKSI). 10 SEC Form 4 filings on record going back to 2025, most recently on 16 June 2026. Most recent open-market trade: sold $75K of MKSI on 16 June 2026. Lifetime open-market sales: $2.80M.
Recent Transactions
17Every recent SEC Form 4 transaction James Alan Schreiner has reported, most recent first.
Trading Pattern
InsiderAlpha's records for James Alan Schreiner go back to 2025: 10 primary Form 4 filings, an average of 5.0 per year. 2 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies James Alan Schreiner files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Gerald G. Colella - $11.74M of MKSI open-market activity in the last 12 months
- John Tseng-Chung Lee - $10.72M of MKSI open-market activity in the last 12 months
- David Philip Henry - $3.89M of MKSI open-market activity in the last 12 months
- Ramakumar Mayampurath - $2.78M of MKSI open-market activity in the last 12 months
- Kathleen Flaherty Burke - $2.46M of MKSI open-market activity in the last 12 months
- Eric Robert Taranto - $2.28M of MKSI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is James Alan Schreiner?
James Alan Schreiner is a corporate insider, tracked as EVP & COO of MKS INC (MKSI). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has James Alan Schreiner submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has James Alan Schreiner been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($2.80M) across all tracked filings.
Where can I see all of James Alan Schreiner's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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